人教版七年级数学上册有理数的乘方综合复习题5文档格式.docx
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人教版七年级数学上册有理数的乘方综合复习题5文档格式.docx
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(-3)2+(-4)÷
(-2)3÷
2、用科学记数法表示下列各数。
90000-200057000-14100000
-1200000-1100000078000-562000
3、下列用科学记数法写出的数,原来分别是什么数?
8×
1057×
1048.5×
1079.93×
107
2.8×
104-8.42×
108-8.4×
1025.36×
4、对下列各数取近似数。
0.0000817(精确到万分位)695.628(精确到十位)
0.956215(精确到0.01)0.00983(精确到0.01)
(-3)2(-4)3(-5)3(-100)2
(-—)2-(-3)2(-10)2×
(-2)2
8
4×
(-1)3×
4-(-4)+18(-4)3+(-2)+(-1)3÷
(-3)
(-2)3-(-7)+[(-3)2+3]-(-1)2×
(-—)3÷
5×
(-4)2(-10)4-[(-1)2-(7+42)×
3]
131195
826134
(-3)3-(-2)+(-4)2×
700-10063000000-76000
110000-80006900-547000
-6×
1024×
1076.3×
1031.36×
108
7.9×
1089.45×
108-7.2×
1073.38×
105
0.000809(精确到万分位)38.4746(精确到十位)
3.62793(精确到0.001)0.00525(精确到0.1)
(-5)3(-4)3(-6)4(-4)2
(-—)3-(-6)3(-5)2×
(-6)2
(-3)3×
7-(-7)-14(-1)3+(-4)÷
(-2)3×
(-6)
(-3)3+(-6)+[(-1)3+8]+(-3)2×
(-6)
(-—)2×
(-3)2(-0.1)2+[(-9)2+(8+22)×
3
171153
453172
(-4)2+(-9)-(-2)2÷
13000000-600000600000-800000000
11000-9000350000-64000
-5×
1079×
1059.3×
103-3.26×
102
4.5×
106-2.17×
1068×
105-6.09×
106
0.000598(精确到万分位)7010.12(精确到个位)
7.52994(精确到0.1)0.00615(精确到0.1)
(-5)2(-5)3(-4)4(-1)2
(-—)3-(-1)3(-2)2×
(-1)2+2-(-7)-5(-2)3-(-6)×
(-4)2÷
(-1)2+(-3)-[(-4)2+2]+(-3)3÷
(-4)
(-—)3+2×
(-1)3(-0.01)3-[(-8)2+(5-32)÷
6]
111161
(—-—)×
242112
(-2)3-(-9)+(-1)3×
300000-40000051000000-940000000
600-3100000510000-92500000
-8×
1044×
104-9.3×
1069.06×
2.5×
108-3.16×
107-9.1×
1035.52×
103
0.000843(精确到万分位)27.1774(精确到个位)
24.419(精确到0.001)0.00809(精确到0.1)
(-1)3(-5)2(-2)2(-110)2
4
(-—)3-(-1)2(-7)2×
(-10)2
(-2)2×
2-(-8)-9(-2)3+(-4)-(-2)2÷
(-2)
(-2)2-(-3)-[(-4)2+6]+(-4)3×
(-—)4-2×
(-3)3(-0.1)2+[(-9)2+(1-32)÷
111141
852113
(-4)3+(-3)÷
(-2)
1000000-70000000510000-587000
8000000-39000000079000-42000000
4×
1076×
1061.5×
1087.09×
5.2×
1047.64×
1063.3×
108-7.53×
104
0.000698(精确到万分位)5933.84(精确到十分位)
62.2216(精确到0.01)0.00702(精确到0.01)
(-10)3(-4)3(-6)2(-9)2
(-—)2-(-4)3(-6)2×
(-7)2
7
(-3)3+8+(-7)+3(-2)2-(-9)×
(-2)3+(-9)×
[(-1)3+5]+(-4)3÷
(-—)3×
(-4)3(-10)4+[(-7)2-(5+32)÷
2]
191144
626193
(-2)3-(-8)×
(-3)3÷
-50000700009500000-914000
-300-35005700-58100000
1023×
1089.3×
103-1.34×
-4.2×
1029.99×
106-8.6×
108-2.94×
0.00091(精确到万分位)414.208(精确到十分位)
23.2546(精确到0.1)0.00576(精确到0.01)
(-7)2(-2)2(-5)2(-200)2
(-—)3-(-3)3(-9)2×
(-4)2
6-(-3)+20(-1)3-(-2)+(-3)3×
(-3)2+(-2)×
[(-3)2-8]-(-3)3÷
(-5)
3×
(-3)2(-0.1)3-[(-6)2+(4-22)×
5]
191191
463192
(-3)2+(-4)-(-1)3÷
180000007000300-200000
9000000-2900000530000-7980000000
1089×
107-6.9×
105-9.59×
-9×
104-1.65×
1047.9×
106-6.86×
0.0000827(精确到万分位)0.691712(精确到个位)
5.945(精确到0.1)0.0807(精确到0.001)
(-3)3(-5)3(-2)4(-5)2
(-—)3-(-7)3(-1)2×
5
(-4)2-5+(-7)+20(-1)3-(-5)×
(-2)3-(-3)+[(-1)2-3]-(-3)3÷
(-—)2+3×
(-4)2(-10)3-[(-9)2+(3+32)÷
171131
454175
(-1)2+(-5)÷
(-4)3÷
-1800400000170000-16400
-1600-12000900000-73300
1047×
1033.3×
1049.07×
3.5×
1066.38×
106-3.4×
107-8.76×
0.000063(精确到万分位)92082.4(精确到个位)
9.87399(精确到0.1)0.0894(精确到0.1)
(-5)3(-4)2(-6)4(-0.03)2
(-—)3-(-4)2(-1)2×
(-3)3+8×
(-5)-4(-1)3+(-4)+(-1)3÷
(-2)3-(-6)+[(-1)2-9]+(-1)2×
(-—)4×
(-3)2(-10)4-[(-8)2+(9+52)÷
191131
335194
(-2)3-(-9)×
(-3)2÷
-1300000-50007500-639000000
800000-12000007300-47700
6×
104-4×
1074.4×
108-8.3×
-5.9×
1021.28×
1042.4×
107-9.67×
0.0000841(精确到万分位)2.27098(精确到个位)
0.966244(精确到0.001)0.0946(精确到0.001)
(-7)2(-5)2(-6)2(-200)2
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